CN101043449B - 定时源 - Google Patents

定时源 Download PDF

Info

Publication number
CN101043449B
CN101043449B CN2007100872819A CN200710087281A CN101043449B CN 101043449 B CN101043449 B CN 101043449B CN 2007100872819 A CN2007100872819 A CN 2007100872819A CN 200710087281 A CN200710087281 A CN 200710087281A CN 101043449 B CN101043449 B CN 101043449B
Authority
CN
China
Prior art keywords
grouping
timing information
clock
timing
time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2007100872819A
Other languages
English (en)
Chinese (zh)
Other versions
CN101043449A (zh
Inventor
马丁·理查德·克劳利
蒂莫西·迈克尔·埃德蒙·佛罗斯特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsemi Semiconductor AB
Original Assignee
Zarlink Semiconductor AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zarlink Semiconductor AB filed Critical Zarlink Semiconductor AB
Publication of CN101043449A publication Critical patent/CN101043449A/zh
Application granted granted Critical
Publication of CN101043449B publication Critical patent/CN101043449B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • H04L47/365—Dynamic adaptation of the packet size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/43—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]
    • H04L47/431—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR] using padding or de-padding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CN2007100872819A 2006-03-21 2007-03-21 定时源 Expired - Fee Related CN101043449B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78385406P 2006-03-21 2006-03-21
US60/783,854 2006-03-21
GB0622834A GB2443867A (en) 2006-03-21 2006-11-16 Timing source with packet size controller providing a distribution of packet sizes
GB0622834.0 2006-11-16

Publications (2)

Publication Number Publication Date
CN101043449A CN101043449A (zh) 2007-09-26
CN101043449B true CN101043449B (zh) 2011-12-28

Family

ID=37605376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007100872819A Expired - Fee Related CN101043449B (zh) 2006-03-21 2007-03-21 定时源

Country Status (5)

Country Link
US (1) US7983276B2 (fr)
CN (1) CN101043449B (fr)
DE (1) DE102007013390A1 (fr)
FR (1) FR2899049B1 (fr)
GB (2) GB2443867A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363559B2 (en) * 2006-09-25 2013-01-29 Lantiq Deutschland Gmbh Method and system for providing information for recovering a clock frequency
CN101884206B (zh) * 2007-10-04 2013-07-24 U-Man通用媒体接入网有限公司 使用分级参数控制协议的数字多媒体网络
CN101674174B (zh) * 2008-09-12 2013-06-05 华为技术有限公司 一种提高时钟稳定度的方法及设备
GB0908883D0 (en) * 2009-05-22 2009-07-01 Zarlink Semiconductor Inc Multi input timing recovery over packet networks
US8385333B2 (en) 2009-06-30 2013-02-26 Intel Corporation Mechanism for clock synchronization
WO2011074305A1 (fr) * 2009-12-18 2011-06-23 日本電気株式会社 Système et dispositif de transmission, dispositif de réception, procédé de transmission et programme d'ordinateur
US8643696B2 (en) * 2011-01-19 2014-02-04 Broadcom Corporation Synchronizing media streams using time signal(s) from an independent time source
US20120207178A1 (en) * 2011-02-11 2012-08-16 Webb Iii Charles A Systems and methods utilizing large packet sizes to reduce unpredictable network delay variations for timing packets
EP2530860B1 (fr) * 2011-06-01 2017-05-17 ADVA Optical Networking SE Procédé et appareil pour transporter des informations fonction du temps dans un réseau à commutation par paquets
EP3002896B1 (fr) * 2014-09-30 2018-05-30 Semtech Corporation Appareil et procédé de synchronisation
US9961104B2 (en) * 2014-12-02 2018-05-01 Empire Technology Development Llc Side channel attack deterrence in networks
US9577648B2 (en) 2014-12-31 2017-02-21 Semtech Corporation Semiconductor device and method for accurate clock domain synchronization over a wide frequency range
JP6500875B2 (ja) * 2016-10-25 2019-04-17 トヨタ自動車株式会社 車載ネットワークシステム、及び、車載ネットワークシステムにおける通信制御方法
FR3059185B1 (fr) * 2016-11-24 2018-12-07 Belledonne Communications Procede et circuit de dectection de congestion
US10848161B2 (en) 2017-06-28 2020-11-24 Analog Devices, Inc. Reference monitors with dynamically controlled latency
CA3077469A1 (fr) 2019-04-04 2020-10-04 Evertz Microsystems Ltd. Systemes et procedes pour exploiter un reseau de transmission de medias
CA3077449A1 (fr) 2019-04-04 2020-10-04 Evertz Microsystems Ltd. Systemes et procedes pour determiner le retard de plusieurs flux de medias
US11831405B2 (en) * 2022-03-11 2023-11-28 Renesas Electronics America Inc. Adaptive filtering for precision time protocol with physical layer support

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1036466A (zh) * 1987-12-07 1989-10-18 霍内韦尔布尔公司 在两个总线系统间传送信号的双向控制信号总线接口装置
CN1291830A (zh) * 1999-07-28 2001-04-18 朗迅科技公司 为定位移动台的地理位置提供精确的定时源
CN1555168A (zh) * 2003-12-24 2004-12-15 烽火通信科技股份有限公司 一种主备同步数字系列设备定时源的无损切换方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6665316B1 (en) * 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system
JP2000349824A (ja) * 1999-03-31 2000-12-15 Soft Front:Kk 音声データ送受信システム
US6769030B1 (en) * 2000-02-07 2004-07-27 International Business Machines Corporation Method and apparatus to evaluate and measure the optimal network packet size for file transfer in high-speed networks
US7289538B1 (en) * 2001-08-14 2007-10-30 Atrica Israel Ltd. Clock reconstruction for time division multiplexed traffic transported over asynchronous ethernet networks
US7099354B2 (en) * 2002-01-24 2006-08-29 Radioframe Networks, Inc. Method and apparatus for frequency and timing distribution through a packet-based network
US7239638B2 (en) * 2002-03-07 2007-07-03 Avaya Technology, Llc Systems and methods for the emulation of TDM circuits over a real-time scheduled packet network
KR20040052012A (ko) * 2002-12-13 2004-06-19 한국전자통신연구원 고속 패킷 망을 위한 패킷 스케줄링 시스템 및 방법
GB2399263A (en) 2003-03-07 2004-09-08 Zarlink Semiconductor Ltd Clock synchronisation over a packet network
US7362767B2 (en) * 2003-07-22 2008-04-22 Lsi Logic Corporation Integrated circuit with on-chip clock frequency matching to upstream head end equipment
US7525961B2 (en) * 2004-01-14 2009-04-28 Adc Dsl Systems, Inc. Auto-adaptation to packet size on a physical medium
US7643595B2 (en) * 2004-09-13 2010-01-05 Nortel Networks Limited Method and apparatus for synchronizing clock timing between network elements
US20060056403A1 (en) 2004-09-13 2006-03-16 Pleasant Daniel L System and method for robust communication via a non-reliable protocol
GB2421141A (en) * 2004-12-08 2006-06-14 Zarlink Semiconductor Ltd Adaptive clock recovery scheme
US7835366B2 (en) * 2005-11-01 2010-11-16 Ciena Corporation Three-way message exchange clock synchronization

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1036466A (zh) * 1987-12-07 1989-10-18 霍内韦尔布尔公司 在两个总线系统间传送信号的双向控制信号总线接口装置
CN1291830A (zh) * 1999-07-28 2001-04-18 朗迅科技公司 为定位移动台的地理位置提供精确的定时源
CN1555168A (zh) * 2003-12-24 2004-12-15 烽火通信科技股份有限公司 一种主备同步数字系列设备定时源的无损切换方法

Also Published As

Publication number Publication date
FR2899049A1 (fr) 2007-09-28
GB0624034D0 (en) 2007-01-10
CN101043449A (zh) 2007-09-26
US20070223459A1 (en) 2007-09-27
US7983276B2 (en) 2011-07-19
FR2899049B1 (fr) 2011-07-22
DE102007013390A1 (de) 2007-10-04
GB0622834D0 (en) 2006-12-27
GB2443867A (en) 2008-05-21

Similar Documents

Publication Publication Date Title
CN101043449B (zh) 定时源
US8861501B2 (en) Timing source
US7079554B2 (en) System and method for synchronizing between communication terminals of asynchronous packets networks
US6438702B1 (en) Method for providing a precise network time service
KR100831498B1 (ko) 패킷 네트워크 상에서의 클록 동기화
CN100592710C (zh) 用于分组交换通信网的利用电路仿真服务的流重同步方法
CN102934379B (zh) 用于同步网络的节点和系统
CN114363184A (zh) 灵活以太网中调整传输通道的带宽方法和装置
MXPA04004402A (es) Transmision concurrente de trafico a partir de interfases de comunicacion multiples.
US20040233931A1 (en) Method for calculation of jitter buffer and packetization delay
CN100555987C (zh) 自适应时钟恢复方法和装置
EP1246413B1 (fr) Procédé, dispositif et système pour signalisation dans un réseau y compris Ethernet
US7522614B1 (en) Multi-service access platform for telecommunications and data networks
CN102804690A (zh) 第一层路径延迟补偿
KR100569038B1 (ko) 패킷 네트워크를 통하여 타이밍 데이터를 배포하는 방법및 장치
KR100772189B1 (ko) 근거리 통신 네트워크에서 가상 동기화를 이용한 단대단프레임 전달 방법과 그 네트워크 구성 장치
CA2610550A1 (fr) Methode et systeme fournissant par reseau de transmission de donnees des donnees de renseignements pour recuperer une frequence de signal d'horloge
CN101227381A (zh) 分组交换网络传递时钟同步信息的方法及电路仿真通信设备
EP1583266A2 (fr) Synchronisation de services MRT sur réseaux de paquets
KR20080023194A (ko) 패킷망을 매개로 하는 시분할 다중화 서비스에서의 클록복원 방법
Pinchas et al. A combined PTP and circuit-emulation system
CN118118431A (zh) 一种面向确定性时延抖动控制的时隙映射分配方法
Chodorek Some aspects of rtp-tcp coexistence in universal multiservice networks
Li End-to-end multicast congestion control and avoidance
Leonard et al. Designing a net-centric DoD Teleport

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111228

Termination date: 20130321